Answers: x=2 and x=-3
Answer:
These are simultaneous equations.They have to be solved like this:
2x-y=3 -y=3-2x 2x-3= -x
y= -x y= -(3-2x) 3x= 3
y=2x-3 x=1
Step-by-step explanation:
The value of x equals to 1
102
<em>420×p% = 168</em>
<em>420p/100 = 168</em>
<em>420p = 16800</em>
<em>p = 16800/420</em>
<em>p = 40%</em>
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